🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 14.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.58 AU - 0.8 AU

Year: 376 Days

Day: 13.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,796,784 km

• M1: 175,628 km (0.104 R)
• M2: 618,288 km (0.094 R)
• M3: 1,098,348 km (0.033 R)
• M4: 1,599,650 km (0.082 R)
• M5: 2,338,215 km (0.082 R)
• M6: 2,869,138 km (0.06 R)
• M7: 3,919,913 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 8.5

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.76 AU - 0.84 AU

Year: 469 Days

Day: 13.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,796,784 km

• M1: 105,766 km (0.111 R)
• M2: 483,500 km (0.031 R)
• M3: 1,069,625 km (0.117 R)
• M4: 1,462,918 km (0.09 R)
• M5: 1,895,704 km (0.062 R)
• M6: 2,486,317 km (0.087 R)
• M7: 2,789,252 km (0.079 R)
• M8: 3,284,571 km (0.11 R)
• M9: 4,257,406 km (0.102 R)
• M10: 4,664,312 km (0.117 R)
• M11: 4,975,027 km (0.062 R)
• M12: 5,507,595 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 13.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.81 AU - 1.07 AU

Year: 598 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,796,784 km

• M1: 162,912 km (0.103 R)
• M2: 922,121 km (0.105 R)
• M3: 1,396,347 km (0.09 R)
• M4: 2,238,433 km (0.111 R)
• M5: 2,741,680 km (0.096 R)
• M6: 3,435,066 km (0.077 R)
• M7: 4,109,603 km (0.115 R)
• M8: 4,887,512 km (0.059 R)
• M9: 5,633,257 km (0.059 R)
• M10: 6,373,916 km (0.037 R)
• M11: 7,308,155 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 8.5

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.06 AU - 1.62 AU

Year: 1018 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,796,784 km

• M1: 105,766 km (0.082 R)
• M2: 756,367 km (0.04 R)
• M3: 1,140,085 km (0.118 R)
• M4: 1,751,492 km (0.101 R)
• M5: 2,078,363 km (0.08 R)
• M6: 2,517,433 km (0.092 R)
• M7: 2,949,472 km (0.087 R)
• M8: 3,445,239 km (0.096 R)
• M9: 4,078,786 km (0.097 R)
• M10: 4,405,956 km (0.06 R)
• M11: 4,787,880 km (0.118 R)
• M12: 5,535,121 km (0.118 R)
• M13: 6,002,166 km (0.031 R)
• M14: 7,185,934 km (0.112 R)
• M15: 7,536,591 km (0.118 R)
• M16: 8,004,084 km (0.106 R)
• M17: 9,228,693 km (0.102 R)
• M18: 10,008,546 km (0.07 R)
• M19: 10,669,919 km (0.118 R)
• M20: 11,126,790 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.8

Radius: 12.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.28 AU - 6.04 AU

Year: 8834 Days

Day: 6.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,796,784 km

• M1: 151,692 km (0.058 R)
• M2: 553,662 km (0.089 R)
• M3: 934,687 km (0.117 R)
• M4: 1,443,021 km (0.103 R)
• M5: 3,076,480 km (0.03 R)
• M6: 3,862,318 km (0.076 R)
• M7: 4,303,332 km (0.106 R)
• M8: 4,915,786 km (0.101 R)
• M9: 5,316,559 km (0.12 R)
• M10: 7,036,785 km (0.106 R)
• M11: 8,161,312 km (0.111 R)
• M12: 11,052,590 km (0.027 R)
• M13: 15,278,131 km (0.076 R)
• M14: 16,324,568 km (0.115 R)
• M15: 17,949,351 km (0.115 R)
• M16: 18,697,490 km (0.082 R)
• M17: 23,469,064 km (0.098 R)
• M18: 25,790,823 km (0.108 R)
• M19: 27,095,765 km (0.077 R)
• M20: 28,080,268 km (0.069 R)
• M21: 29,742,749 km (0.035 R)
• M22: 32,159,054 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 3.9

Gravity: 63.96 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.43 AU - 6.37 AU

Year: 9401 Days

Day: 16.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,796,784 km

• M1: 54,154 km (0.077 R)
• M2: 219,310 km (0.037 R)
• M3: 375,640 km (0.078 R)
• M4: 576,401 km (0.07 R)
• M5: 935,585 km (0.117 R)
• M6: 1,617,452 km (0.046 R)
• M7: 1,789,191 km (0.082 R)
• M8: 2,008,052 km (0.093 R)
• M9: 2,665,086 km (0.098 R)
• M10: 3,065,859 km (0.05 R)
• M11: 3,379,416 km (0.086 R)
• M12: 4,155,530 km (0.12 R)
• M13: 4,478,960 km (0.099 R)
• M14: 5,343,486 km (0.113 R)
• M15: 5,619,644 km (0.111 R)
• M16: 6,900,800 km (0.095 R)
• M17: 7,104,403 km (0.056 R)
• M18: 7,609,146 km (0.105 R)
• M19: 8,831,809 km (0.115 R)
• M20: 8,975,274 km (0.1 R)
• M21: 9,266,840 km (0.083 R)
• M22: 13,088,617 km (0.057 R)
• M23: 13,400,528 km (0.091 R)
• M24: 17,464,803 km (0.094 R)
• M25: 18,615,361 km (0.059 R)
• M26: 19,571,291 km (0.09 R)
• M27: 33,019,990 km (0.113 R)
• M28: 35,976,194 km (0.118 R)
• M29: 36,711,018 km (0.095 R)
• M30: 39,880,848 km (0.091 R)
• M31: 49,115,375 km (0.104 R)
• M32: 49,415,617 km (0.036 R)
• M33: 49,566,113 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.6

Radius: 5.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.7 AU - 6.62 AU

Year: 10030 Days

Day: 21.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,796,784 km

• M1: 68,366 km (0.12 R)
• M2: 443,707 km (0.112 R)
• M3: 1,285,644 km (0.119 R)
• M4: 1,516,174 km (0.109 R)
• M5: 3,212,165 km (0.102 R)
• M6: 3,983,941 km (0.058 R)
• M7: 4,225,541 km (0.037 R)
• M8: 4,845,475 km (0.082 R)
• M9: 7,790,010 km (0.047 R)
• M10: 11,264,271 km (0.077 R)
• M11: 16,869,853 km (0.109 R)
• M12: 18,482,219 km (0.081 R)
• M13: 27,928,576 km (0.092 R)
• M14: 28,192,317 km (0.096 R)
• M15: 29,354,094 km (0.085 R)
• M16: 31,868,236 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.7

Radius: 7.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.24 AU - 8.12 AU

Year: 11326 Days

Day: 24.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,796,784 km

• M1: 98,435 km (0.115 R)
• M2: 425,008 km (0.115 R)
• M3: 775,964 km (0.111 R)
• M4: 1,078,750 km (0.071 R)
• M5: 2,267,455 km (0.092 R)
• M6: 3,524,376 km (0.112 R)
• M7: 3,906,599 km (0.099 R)
• M8: 4,586,671 km (0.102 R)
• M9: 5,591,968 km (0.113 R)
• M10: 7,403,299 km (0.052 R)
• M11: 8,112,393 km (0.078 R)
• M12: 8,441,808 km (0.087 R)
• M13: 13,122,276 km (0.027 R)
• M14: 13,576,605 km (0.04 R)
• M15: 14,159,289 km (0.051 R)
• M16: 14,516,678 km (0.032 R)
• M17: 17,460,764 km (0.087 R)
• M18: 17,803,044 km (0.054 R)
• M19: 18,642,737 km (0.116 R)
• M20: 20,100,568 km (0.073 R)
• M21: 23,990,412 km (0.118 R)
• M22: 24,755,605 km (0.077 R)
• M23: 27,423,982 km (0.06 R)
• M24: 28,637,670 km (0.117 R)
• M25: 29,984,350 km (0.081 R)
• M26: 31,071,627 km (0.101 R)
• M27: 32,493,256 km (0.081 R)
• M28: 34,170,398 km (0.078 R)
• M29: 36,458,198 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.3

Radius: 6.3

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.56 AU - 8.68 AU

Year: 15179 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,796,784 km

• M1: 79,287 km (0.092 R)
• M2: 416,480 km (0.083 R)
• M3: 824,284 km (0.069 R)
• M4: 1,472,791 km (0.092 R)
• M5: 3,964,792 km (0.089 R)
• M6: 4,499,605 km (0.117 R)
• M7: 4,731,781 km (0.106 R)
• M8: 6,490,453 km (0.083 R)
• M9: 12,150,638 km (0.048 R)
• M10: 16,747,332 km (0.079 R)
• M11: 17,558,900 km (0.092 R)
• M12: 21,939,425 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.5

Radius: 7.5

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.31 AU - 11.69 AU

Year: 22320 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,796,784 km

• M1: 93,648 km (0.045 R)
• M2: 586,872 km (0.042 R)
• M3: 1,619,846 km (0.113 R)
• M4: 1,868,926 km (0.114 R)
• M5: 2,164,232 km (0.029 R)
• M6: 3,853,940 km (0.12 R)
• M7: 6,234,342 km (0.096 R)
• M8: 6,627,186 km (0.103 R)
• M9: 7,270,905 km (0.106 R)
• M10: 8,575,997 km (0.112 R)
• M11: 9,117,392 km (0.071 R)
• M12: 9,509,637 km (0.115 R)
• M13: 11,707,679 km (0.096 R)
• M14: 15,528,259 km (0.038 R)
• M15: 16,744,190 km (0.119 R)
• M16: 17,935,139 km (0.112 R)
• M17: 18,729,953 km (0.103 R)
• M18: 21,060,837 km (0.07 R)
• M19: 21,647,859 km (0.076 R)
• M20: 23,893,473 km (0.11 R)
• M21: 25,181,660 km (0.092 R)
• M22: 25,510,775 km (0.082 R)
• M23: 27,430,415 km (0.112 R)
• M24: 31,175,448 km (0.105 R)
• M25: 34,164,563 km (0.092 R)
• M26: 34,838,801 km (0.094 R)
• M27: 37,767,628 km (0.083 R)
• M28: 42,540,099 km (0.119 R)
• M29: 44,428,623 km (0.076 R)
• M30: 45,555,693 km (0.093 R)
• M31: 56,383,737 km (0.043 R)
• M32: 65,649,530 km (0.059 R)
• M33: 72,728,950 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 11,480 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit